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Mute Clamp Concept

Hesitantly posting some videos here. I would like the "damping" effect to be stronger, but this is a work in progress.

Open the first two videos side by side to hear the comparison.

So far I would say that it has achieved "light muting".

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For my taste not enough muting. I like the notes to be short and thumpy else there is no reason to have a mute on the bass.
I use a curved piece of wood that I glued foam onto. That assembly easily slides under the strings. The problem I have with that setup is that the tuning of the bass goes sharp from the pressure of the foam. I need to find a closed cell foam that is much softer than what i'm currently using.
 
Agreed, I'm going to try to get some more foam tension into the clamp.

I'll do a DI recording when its sounding right.

I see the mute clamp as working in 1 of 2 ways.

1. Wedged: between strings and body. in this case the upper layer of foam really only serves to stabilize the tool.

2. Floating: The foam itself needs to be under enough compression to truly clamp onto the strings enough to cause the desired muting.

I've seen both as being possible while testing, it's all going to go down to the details :)


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So here's the plan moving forward:

New Clip:
1. More rigid material that can hold more foam tension.
2. Neutral material that will never harm the surface of a bass.

I've got some new parts lined up on an FDM machine (fused deposit modeling - i think). It will create an ABS part (same as most household injection molded plastic) and it will be much more rigid than the current clip. I would feel comfortable selling a clip made of that material.

New Foam:
1. Thicker pad of foam to cause more "clamping"
2. Higher quality foam that is slightly harder and more durable.
 
Really cool what you are doing here! Love the aesthetics of the design! If I may make a suggestion, when you are sourcing a new type of foam, look for foam that has a higher density and (slightly) less elasticity. Higher Density, lower elasticity foams will be more effective at damping vibrations.

Good luck with this design! :bassist:
 
Ah - I had to take a break. Just moved into a new apartment :)

Ok - next step is to find some good foam density to finish this. Then I have to make the clamp design more rigid to keep the foam squeezed together.

I'll try to push forward next week. Thanks for all of the interest and support!
 
I like the spring under string idea above. It looks easier and not in the way of your right hand like the cantilever idea you started with. However, I agree sticking a piece of foam under the bridge will do the same thing, although it might not look as pretty.

However, if you could adjust the tension of the string so it mutes in degrees, it could introduce some interesting sonic possibilities.
 
I like the spring under string idea above. It looks easier and not in the way of your right hand like the cantilever idea you started with. However, I agree sticking a piece of foam under the bridge will do the same thing, although it might not look as pretty.

However, if you could adjust the tension of the string so it mutes in degrees, it could introduce some interesting sonic possibilities.

Hey bward
Check earlier in the thread - there is a video of me using it as a mute whammy :)
 
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I really like the idea of a muting device that can be easily put on and taken off.
Here are a couple pics of something I rigged up. I just used a piece of foam, a craft popsicle stick and hot glue. I sliced open the foam and glued the stick inside. I'll call it "the mutesicle" :)
 

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